The best parallel clamp in the world just got better! The new "K BODY REVOlution (KRE)", is designed to clamp at 90 degrees to the rail with very large clamping surfaces.The "New BESSEY K BODY REVOlution" offers a load limit of 2200 lbs, an everyday clamping force of 1700 lbs and sizes that range from 12" to 60".